<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" type="text/css" href="login.css">
</head>
<body>
   <div>
    <form action="http://localhost:3000/login" method="post">
        用户名: <input type="text" name="username" id="" /><br/>
        密码:&nbsp;&nbsp;&nbsp;<input type="password" name="password" id=""/><br/>
        <input type="submit" value="登录" style="font-size:16px;font-weight: 700">
    </form>
    </div>
</body>
</html>